Webm header data

Sebastian Dröge sebastian at centricular.com
Fri Jun 27 07:26:17 PDT 2014

On Fr, 2014-06-27 at 16:16 +0200, Lee Matthews wrote:
> Hi,
> I'm streaming vp8 video using the webm container. I also wish to be able to start/stop recording the video at a given point. I have a tee element after the webmmux element and I add a branch (queue ! filesink) dynamically. It is saving data, but it appears to be missing the webm header information and the resulting file is not playing. 
> Does anyone know how is it possible to obtain the webm header data at a random point in the video stream ?

Yes, it's in the caps in the "streamheader" field after webmmux.
multisocketsink and other elements are using that to allow new clients
to connect at a later time, but filesink is not going to do anything
with it right now.

Sebastian Dröge, Centricular Ltd - http://www.centricular.com
Expertise, Straight from the Source
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